Fluidmaster MAR242-REPAI Repair Seal

Product Description

The FLUIDMASTER MAR242-REPAI is a replacement repair seal designed to restore a proper watertight connection in toilet fill valve and flush valve assemblies. This seal addresses common leak points that develop over time due to mineral buildup, wear, or material degradation. Plumbers and experienced DIYers install this part as a cost-effective alternative to full valve replacement. The compact form factor keeps the job straightforward, requiring no specialty tools in most standard residential toilet tank configurations.

This repair seal is suited for residential toilet tank service where an existing seal has failed or is showing signs of wear. It is commonly installed during routine maintenance calls or as a targeted fix when a slow leak or running toilet is traced to a degraded seal rather than a complete valve failure. Installation typically takes place inside the toilet tank without requiring removal of the toilet itself.

Key Features

• Replacement seal restores watertight performance in toilet valve assemblies
• Cost-effective repair alternative to full valve replacement
• Compact dimensions suited for standard residential toilet tank access
• Designed to address wear, mineral deposits, and material degradation at the seal point

Compatibility

Designed as an OEM-style replacement repair seal for residential toilet fill valve or flush valve assemblies where the original seal has worn or failed.

Installation Notes

Installation should be performed by a licensed plumber or qualified technician following applicable IPC guidelines. Shut off the water supply valve at the base of the toilet and flush to drain the tank before beginning work. Inspect the valve seat for damage before installing the new seal, as a compromised seat surface may prevent a proper seal. Do not overtighten retaining components, as this can distort the seal and cause continued leaking.

Technical Specifications

• Package Dimension (L x W x H): 22 inches

Standard Information

• Brand: FLUIDMASTER
• Manufacturer Part Number: MAR242-REPAI